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For additional vehicle break-in requirements, refer to
“Trailer Towing” in Section 5 of the Owners Manual.
•
Warm up the engine before placing it under load.
•
Do not operate the engine at idle for prolonged
periods.
•
Use the appropriate transmission gear to prevent
engine lugging.
•
Observe vehicle oil pressure and temperature indica-
tors.
•
Check the coolant and oil levels frequently.
•
Vary throttle position at highway speeds when carry-
ing or towing significant weight.
Because of the construction of the Cummins turbo-
charged diesel engine, engine run-in is enhanced by
loaded operating conditions which allow the engine
parts to achieve final finish and fit during the first
6,000 miles (10 000 km).
THINGS TO KNOW BEFORE STARTING YOUR VEHICLE 7
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